D-Shaped Chair Cushions 17 x 16 in Set of 4 - 2 in Thick Black

Our review of these D-shaped chair cushions finds them best suited for anyone seeking a simple, reliable upgrade to dining or kitchen seating; the single biggest reason to buy is the combination of firm, 2 in high-resilience foam and a practical, machine-washable cover that keeps them feeling fresh. The cushions deliver steady support for tailbone pressure relief and improved posture without bulky profiles, making them a practical choice for everyday meals, home offices using dining chairs, or folding and rocking chairs that need a bit more comfort.

Key Features

• 2 in High-Resilience Foam: The polyurethane foam gives firm, ergonomic support that helps protect the tailbone and reduce pressure during longer sits.
• D-Shaped Fit: The 17 x 16 in D-shaped pad matches most dining and kitchen chairs and slides into covers without bunching for a neat appearance.
• Removable Zip Cover: The 100% polyester cover unzips for machine wash cold and tumble dry low so maintenance is fast and simple.
• Non-Slip Base and Ties: A non-skid backing plus optional ties keeps the cushion in place so you do not need to constantly readjust while seated.
• Durable Construction: Reinforced edges and a wrapped zipper protect furniture and extend the life of the cushion cover under regular use.

Who It's For

These cushions are ideal for homeowners who use dining chairs as multipurpose seating and want added comfort without changing chair profiles; the 2 in thickness makes them substantial but not bulky, and the non-skid base helps on both wood and metal seats. They also suit small apartments, renters, or people who prefer easy-care textiles since the cover is fully removable and machine washable.

People who need medical-grade pressure relief or a much thicker seat will want to look elsewhere, as will anyone whose chair seat is significantly larger or smaller than the listed 17 x 16 in; the product note about measuring before ordering is important if your seat differs by more than 0.5 in.

Pros & Cons

Pros

• Comfortable, firm cushioning that customers describe as well-made and thicker than many competing pads.
• Removable, breathable 100% polyester cover that cleans easily in a washing machine.
• Non-slip base and tie options keep the cushion steady during use.

Cons

• At 2 in thickness, it may not satisfy users seeking very soft or plush padding for extended medical needs.

Specifications

Product type	Seat cushion, D-shaped
Thickness	2 in
Dimensions	17 x 16 in
Cover material	100% polyester
Insert material	100% polyurethane high-resilience foam
Care	Cover: machine wash cold, tumble dry low; do not wash foam
Pack count	Set of 4

Our Verdict

These D-shaped chair cushions are a practical, good-value option for anyone who wants firmer, supportive seating with easy cleaning and steady placement. They are especially useful for dining, folding, and rocking chairs where a low-profile but effective pad improves comfort without altering appearance.

Frequently Asked Questions

Are the covers removable for washing?
Yes, each cushion has a zippered, removable 100% polyester cover that can be machine washed cold and tumble dried low.

Will these cushions stay in place on wood chairs?
Yes, the cushions include a non-slip base and optional ties to help keep them secure on wood and other smooth chair surfaces.

Is the foam suitable for long periods of sitting?
The high-resilience polyurethane foam offers firm support and pressure relief for everyday use, though those needing medical-grade cushioning should consult a specialist.